Mining Explosion-Proof and Intrinsically Safe Type Multi-Loop High-Voltage Vacuum Electromagnetic Switch

QJZ3-2400/1140(660)-8ML  mine explosion-proof and intrinsically safe type multi-loop  vacuum electromagnetic starter , it is applicable to the mine with explosive gas and coal dust. In the circuit with AC 50Hz and rated voltage of AC 1140 (660) V, it can control and protect the starting and stopping of 8  or less three-phase squirrel cage asynchronous motors at the same time, and can change the phase sequence when stopping. It is especially suitable for centralized monitoring of mining, transportation, mining and other working faces with concentrated power load.

Mining explosion-proof and intrinsically safe type multi-loop high-voltage vacuum electromagnetic starter is suitable for coal mine AC 3300V, frequency 50Hz, three-phase neutral point unearthed power supply system, local or remote control of three-phase asynchronous electric drive, to realize the centralized control of shearer, scraper conveyor, crusher, transfer machine, pumping station and other equipment in comprehensive mechanized coal mining face.

Mining explosion-proof and intrinsically safe type multi-loop high-voltage vacuum electromagnetic starter is suitable for coal mine AC 3300V, frequency 50Hz, three-phase neutral point unearthed power supply system, local or remote control of three-phase asynchronous electric drive, to realize the centralized control of shearer, scraper conveyor, crusher, transfer machine, pumping station and other equipment in comprehensive mechanized coal mining face.

Mining explosion-proof and intrinsically safe type multi-loop high-voltage vacuum electromagnetic starter is suitable for coal mine AC 3300V, frequency 50Hz, three-phase neutral point unearthed power supply system, local or remote control of three-phase asynchronous electric drive, to realize the centralized control of shearer, scraper conveyor, crusher, transfer machine, pumping station and other equipment in comprehensive mechanized coal mining face.

KBA176 mine explosion-proof optical fiber camera (hereinafter referred to as camera) is used for image capture and transmission in important places in underground mines. It is suitable for underground coal mines that contain explosive gas mixtures such as methane and explosion hazards.

The device is suitable for coal mine containing explosive gases like gas, coal dust, with AC 50HZ and voltage of 1140V or 660V. The ventilation of the driving surface and power supply are controlled by the device, with all control functions of dual power supply and fan.

KJS series mine pneumatic wet dust precipitator is designed to be suitable for dust removal in gas discharge drilling holes, Tunnel Shotcreting, tunnel driving, etc. the dust precipitator is placed next to the drilling machine and shotcreting mixer, the roadheader body, the second transport belt, or the place designated by Party A, and the underground high-pressure water pipe is connected to the filter inlet. The filter outlet is connected to the inlet joint of the dust precipitator through the high-pressure rubber pipe, and the compressed air is connected to the air inlet. Open the high-pressure water valve and air pressure valve for operation.

Application:It is suitable for the dangerous environment of gas and coal dust explosion. Used for electrical control, monitoring and comprehensive protection of belt conveyor and other equipments in coal mine.